公开(公告)号：US08608459B2

公开(公告)日：2013-12-17

申请号：US12316292

申请日：2008-12-11

申请人： Ulrike Martina Hoefer ,  Barrie Dudley Brewster ,  Andrew Waye

发明人： Ulrike Martina Hoefer ,  Barrie Dudley Brewster ,  Andrew Waye

IPC分类号： F04B17/00 ,  F04B35/04 ,  H02K29/06 ,  H02P6/00

CPC分类号： F04D19/042 ,  F04D25/0606 ,  H02K3/28 ,  H02K29/12 ,  H02P6/16 ,  H02P6/18 ,  H02P6/182 ,  H02P25/16

摘要： A vacuum pump having a vacuum pumping mechanism mounted for rotation by a shaft and a brushless motor for rotating the shaft where the vacuum pumping mechanism comprises a turbo pumping mechanism comprising pumping stages, and a molecular drag pumping mechanism comprising at least one pumping stage, and a shaft supported for rotation by bearings, and where the motor comprises a permanent magnet rotor fixed relative to the shaft and the rotor has four poles and a stator has non-overlapping stator coils.

公开(公告)号：US20090162220A1

公开(公告)日：2009-06-25

申请号：US12316292

申请日：2008-12-11

申请人： Ulrike Martina Hoefer ,  Barrie Dudley Brewster ,  Andrew Waye

发明人： Ulrike Martina Hoefer ,  Barrie Dudley Brewster ,  Andrew Waye

IPC分类号： F04D19/04 ,  H02P6/18

CPC分类号： F04D19/042 ,  F04D25/0606 ,  H02K3/28 ,  H02K29/12 ,  H02P6/16 ,  H02P6/18 ,  H02P6/182 ,  H02P25/16

摘要： A vacuum pump having a vacuum pumping mechanism mounted for rotation by a shaft and a brushless motor for rotating the shaft where the vacuum pumping mechanism comprises a turbo pumping mechanism comprising pumping stages, and a molecular drag pumping mechanism comprising at least one pumping stage, and a shaft supported for rotation by bearings, and where the motor comprises a permanent magnet rotor fixed relative to the shaft and the rotor has four poles and a stator has non-overlapping stator coils.

摘要翻译： 一种真空泵，其具有安装为用于由轴旋转的真空泵机构和用于旋转轴的无刷电动机，其中真空泵送机构包括包括泵送级的涡轮泵送机构，以及包括至少一个泵送级的分子拖动泵送机构，以及 支撑轴承旋转的轴，其中电动机包括相对于轴固定的永磁体转子，转子具有四个极，并且定子具有非重叠的定子线圈。